AP1534
PWM CONTROL 2A STEP-DOWN CONVERTER
Typical Performance Characteristics (Continued)
Vout Ripple
(Vin=5V, Vout=3.3V, Iout=0.1A)
Vout Ripple
(Vin=5V, Vout=3.3V, Iout=2A)
Test Circuit
open
VCC OUTPUT FB
OCSET
open
A
EN
VSS
Enable function test
A
VCC OUTPUT FB
+
OCSET
-
EN
VSS
Feedback function test
VCC OUTPUT FB
+
OCSET
-
EN
VSS
Operation function test
+
V
-
AP1534 Rev. 5
6 of 10
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FEBRUARY 2009
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